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Use the uncertainty principle to show that if an electron were present in the nucleus (r ˜ 10 - 15m), its kinetic energy (use relativity) would be hundreds of MeV. (Since such electron energies are not observed, we conclude that electrons are not present in the nucleus).
Consider a steam turbine in which the steam expands adiabatically. If the turbine consumes 1.00 kg steam each second, calculate the temperature of the steam at the exhaust
A 22g of nitrogen gas at STP are pressurized in an isochoric process to a pressure of 15atm. What is the final Temperature? What is the work done on the gas? What is the heat input to the gas?
A 650-N Marine in basic training climbs a 11.5-m vertical rope at a constant speed in 9.50 s. What is his power output
a charge of 5 c moves upward at 2 ms in a magnetic field of 0.3t that points into the page. what is the magnitude and
A 1.9-pF parallel plate capacitor has a potential difference of 10.0 V across it. The plates are 1.1 mm apart, and the space between them contains air. What is the area of the plates
A skier with a mass of 66.8 kg starts from rest and skis down an icy (frictionless) slope that has a length of 55.1 m at an angle of 26.2° with respect to the horizontal. find the speed of the skier at the bottom of the slope
Three positive particles of equal charge, +17.0 uc, are located at the corners of an equilateral triangle of sides 15.0 cm. Compute the magnitude and direction of the net force on each particle due to the other two.
The left end of a long glass rod 7.00cm in diameter has a convex hemispherical surface 3.50cm in radius. The refractive index of the glass is 1.60. How far from the left end of the rod must the object be located to form the image
Assume air resistance is negligible unless otherwise stated. Calculate the displacement and velocity at the following times for a ball thrown straight up with an initial velocity of 11.8 m/s. Take the point of release to be y0 = 0.
A rocket of mass 3.71 × 105 kilogram is in flight near earth's surface. Its thrust is directed at an angle of 67.2 degree above the horizontal and has a magnitude of 9.23 ×106 N. Calculate the magnitude of rocket's acceleration
an air-track glider is attached to a spring. the glider is pulled to the right and released from rest at t0 rm s. it
The 1.5 kg track is free to turn on a frictionless, vertical axis. The spokes have negligible mass. After the car's switch is turned on, it soon reaches a steady speed of 0.70 m/s relative to the track.
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